函数逻辑报告 | 
Source Code:lib\lru_cache.c | 
Create Date:2022-07-27 08:15:13 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
| 首页 | 函数Tree | 
| 注解内核,赢得工具 | 下载SCCT | English | 
函数名称:lc_create - prepares to track objects in an active set*@name: descriptive name only used in lc_seq_printf_stats and lc_seq_dump_details*@max_pending_changes: maximum changes to accumulate until a transaction is required*@e_count: number of elements
函数原型:struct lru_cache *lc_create(const char *name, struct kmem_cache *cache, unsigned max_pending_changes, unsigned e_count, size_t e_size, size_t e_off)
返回类型:struct lru_cache
参数:
| 类型 | 参数 | 名称 | 
|---|---|---|
| const char * | name | |
| struct kmem_cache * | cache | |
| unsigned | max_pending_changes | |
| unsigned | e_count | |
| size_t | e_size | |
| size_t | e_off | 
| 91 | struct hlist_head * slot = NULL | 
| 92 | struct lc_element * * element = NULL | 
| 98 | WARN_ON(cache_obj_size < e_size) | 
| 99 | 如果cache_obj_size小于e_size则返回:NULL | 
| 118 | 初始化链表头 | 
| 119 | 初始化链表头 | 
| 120 | 初始化链表头 | 
| 121 | 初始化链表头 | 
| 127 | allow to accumulate a few (index:label) changes, * but no more than max_pending_changes 等于max_pending_changes | 
| 129 | lc_element等于element | 
| 130 | nr_elements there 等于slot | 
| 134 | p等于kmem_cache_alloc(cache, GFP_KERNEL) | 
| 140 | we want to track a larger set of objects,* it needs to become arch independend u64 等于special label when on free list | 
| 142 | 添加链表项 | 
| 154 | out_fail : | 
| 157 | 返回:NULL | 
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